//package com.bwie.gateway.config;
//
//import com.alibaba.csp.sentinel.adapter.gateway.common.rule.GatewayFlowRule;
//import com.alibaba.csp.sentinel.adapter.gateway.common.rule.GatewayRuleManager;
//import com.alibaba.csp.sentinel.adapter.gateway.sc.exception.SentinelGatewayBlockExceptionHandler;
//import org.springframework.beans.factory.ObjectProvider;
//import org.springframework.context.annotation.Bean;
//import org.springframework.context.annotation.Configuration;
//import org.springframework.core.Ordered;
//import org.springframework.core.annotation.Order;
//import org.springframework.http.codec.ServerCodecConfigurer;
//import org.springframework.web.reactive.result.view.ViewResolver;
//
//import javax.annotation.PostConstruct;
//import java.util.Collections;
//import java.util.HashSet;
//import java.util.List;
//import java.util.Set;
//
///**
// * @deprecation: 网关限流控件
// * @author DongZl
// */
//@Configuration
//public class GatewaySentinelConfig {
//    /**
//     * 查看解析器
//     */
//    private final List<ViewResolver> viewResolvers;
//    /**
//     * 服务器编解码器配置
//     */
//    private final ServerCodecConfigurer serverCodecConfigurer;
//    public GatewaySentinelConfig(ObjectProvider<List<ViewResolver>> viewResolversProvider,
//                                 ServerCodecConfigurer serverCodecConfigurer) {
//        this.viewResolvers = viewResolversProvider.getIfAvailable(Collections::emptyList);
//        this.serverCodecConfigurer = serverCodecConfigurer;
//    }
//    /**
//     * Sentinel 网关块异常处理程序
//     * @return
//     */
//    @Bean
//    @Order(Ordered.HIGHEST_PRECEDENCE)
//    public SentinelGatewayBlockExceptionHandler sentinelGatewayBlockExceptionHandler() {
//        // 给 Spring Cloud Gateway 注册块异常处理程序。
//        return new SentinelGatewayBlockExceptionHandler(viewResolvers, serverCodecConfigurer);
//    }
//
//    /**
//     * 初始化网关配置
//     */
//    @PostConstruct
//    public void doInit() {
//        initGatewayRules();
//    }
//    /**
//     * 配置限流规则
//     */
//    private void initGatewayRules() {
//        Set<GatewayFlowRule> rules = new HashSet<>();
//        rules.add(new GatewayFlowRule("cloud-user")
//            // 限流阈值
//            .setCount(1)
//            // 统计时间窗口，单位是秒，默认是 1 秒
//            .setIntervalSec(5)
//        );
//        //添加到限流规则当中
//        GatewayRuleManager.loadRules(rules);
//    }
//}
